1 files changed, 28 insertions, 0 deletions
diff --git a/src/metric/area.rs b/src/metric/area.rs
new file mode 100644
index 0000000..eb2b0c3
--- /dev/null
+++ b/src/metric/area.rs
@@ -0,0 +1,28 @@
+use std::fmt::{Display, Formatter, Result};
+use std::ops::{Add, Sub, AddAssign, SubAssign, Div, Mul, DivAssign, MulAssign};
+
+use crate::metric::Unit;
+use crate::metric::Primitive;
+
+use crate::declare_unit_basics;
+
+#[derive(Copy, Clone, Debug, PartialOrd, PartialEq)]
+pub enum Area {
+    Base(f64, fn(f64) -> f64, &'static str),
+    Canonical(f64),
+    SquareMeter(f64),
+    SquareMetre(f64),
+}
+
+impl Unit<Area> for Area {
+    fn to_si_unit(&self) -> Area {
+        match self {
+            Area::Base(_, _, _) => self.clone(),
+            Area::Canonical(value) => Area::Base(value.clone(), |x| x, "m²"),
+            Area::SquareMeter(value) => Area::Base(value.clone(), |x| x, "m²"),
+            Area::SquareMetre(value) => Area::Base(value.clone(), |x| x, "m²"),
+        }
+    }
+}
+
+declare_unit_basics!(Area);
+\ No newline at end of file